Diamond Weight Calculator
Estimate the carat weight of your diamond
Back to Calculator Suite
How it works: Enter the diamond's diameter, depth, and shape to estimate its carat weight.
Tips
- 1 carat = 0.2 grams
- Round: (diameter² × depth × 0.0061)
- Princess: (diameter² × depth × 0.0055)
- Emerald: (diameter² × depth × 0.0062)
- Oval: (diameter² × depth × 0.0062)